From owner-freebsd-current Thu Jul 24 19:19:41 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id TAA08574 for current-outgoing; Thu, 24 Jul 1997 19:19:41 -0700 (PDT) Received: from sumatra.americantv.com (sumatra.americantv.com [207.170.17.37]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id TAA08569 for ; Thu, 24 Jul 1997 19:19:38 -0700 (PDT) Received: from right.PCS (right.PCS [148.105.10.31]) by sumatra.americantv.com (8.8.5/8.8.5) with ESMTP id VAA29261; Thu, 24 Jul 1997 21:19:07 -0500 (CDT) Received: (jlemon@localhost) by right.PCS (8.6.13/8.6.4) id VAA02839; Thu, 24 Jul 1997 21:19:51 -0500 Message-ID: <19970724211950.22892@right.PCS> Date: Thu, 24 Jul 1997 21:19:50 -0500 From: Jonathan Lemon To: Terry Lambert Cc: Jim Shankland , Anthony.Kimball@East.Sun.COM, current@FreeBSD.ORG Subject: Re: (over)zealous mail bouncing References: <199707242238.PAA14165@biggusdiskus.flyingfox.com> <199707242321.QAA18495@phaeton.artisoft.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.61.1 In-Reply-To: <199707242321.QAA18495@phaeton.artisoft.com>; from Terry Lambert on Jul 07, 1997 at 04:21:00PM -0700 Sender: owner-freebsd-current@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk On Jul 07, 1997 at 04:21:00PM -0700, Terry Lambert wrote: > > > I have to warn you that several mail server products of which I'm > > > aware actualy verify via getpeername/gethostbyaddr (RARP), and > > > will reject your host anyway. > > > > RARP? Or was that just a belch in mid-sentence :-)? > > Reverse Address Resoloution Protocol. When someone connects to me, > I can always geet the IP address they are connecting from. Using > RARP, I can turn the address into a machine name, and compare it > with what you tell me on the "HELO" and "MAIL FROM:" lines. Uh, I think that was a brain fart. RARP deals with the hardware address, eg: the Ethernet address. You must have meant BIND. -- Jonathan